This is the Michelin e.Primacy ST Acoustic T2, a Tesla-approved summer tyre focused on low energy consumption and acoustic comfort.
- T2: Tesla-specific homologation.
- foam to reduce tyre cavity noise inside the cabin.
- 98 load index: 750 kg per tyre under specified conditions.
- V speed rating: up to 240 km/h.
- XL: Extra Load construction.
- ST: part of the exact variant name; I haven’t verified Michelin’s definition of the suffix.
For Michelin product code 601633, the confirmed EU label is:
- Fuel efficiency / rolling resistance: A, the highest grade.
- Wet grip: B.
- External rolling noise: 70 dB, class B.